X720¶
EVEN (- 3, 2) INFINITY POINT
As the isogonal conjugate of a point on the circumcircle, X720 lies on the line at infinity.
X720 (EVEN (- 3, 2) INFINITY POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {30, 511}, {6, 561}
Related Centers: X721 (EVEN (- 3, 0) CIRCUMCIRCLE POINT), X30 (EULER INFINITY POINT), X511 (ISOGONAL CONJUGATE OF X98), X6 (SYMMEDIAN POINT), X561 (ISOGONAL CONJUGATE OF 4th POWER POINT)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = a ^{-4}(b^{2} + c^{2}) - a^{1}(b ^{-3} + c ^{-3})\)
Barycentrics: \(g(a,b,c) : g(b,c,a) : g(c,a,b)\), where \(g(a,b,c) = af(a,b,c)\)